Combined door-stop and door-holder.



L. G. NORTON. COMBINED DOOR STQP AND DOOR HULDEB- rum-ram nun) 0012.10, 1012.

1,071,172, Patented Aug.26, 1913.

UNITED STATES PATENT OFFICE.

LEWIS C. NORTON, OF CHICAGO, ILLINOIS, ASSIGNOR TO NORTON DOOR CHECK COM-- PAN'Y, OF CHICAGO, ILLINOIS, A CORPORATION OF NEST VIRGINIA.

COMBINED DOQR-S'IOP AND DOOR-HOLDER.

Specification of Letters Patent.

Patented Aug. 26. 913.

Application filed October 10, 1912. Serial No. 724.922.

To all whom it may concern Be it known that. l. IAHVIS C. Noiriox. a citizen of the l nited States. residing at Chicago. county ofd ook, State of 'lllinoir'. have invented an Improvement in omhined following description, in connection with the accompanying drawing, is :1 specification, like characters on the drawing repre; senting like parts. 1

This invent-ion has for its object. to pro'- vide a novel door-holding device by which adoor may be securely held open.

My invention may be incorporated in a door-holding device which is separate from a door check. or it may he incorporated in the door check.

The device comprises two friction disks arranged so that when the door is opened they are clamped together to friciiomtlly hold the door in itsv open position, and means whereby the opening movement of the door will cause the friction disks to be clamped together while the closing HhTWQlmYlt of the door will release the friction disks from each other. I have in the drawings shown mv invention as embodied in a door stop wiich is separate from the door-checking device and also in a door stop which is as sociated with the door-checking device.

in the drawings Figure 1 is a pcrspectivc vie. showing a coml'iined doorrhceking device and. door stop; Fig. is a similar view showing a door stop without the checking device; Fig. 3 is. an enlarged sectional view on the line ar -r, Fig. 2: Fig. t is a sectional view through the door iamb on the line z'3/, Fig.9, showing the door closed.

1 esignates a door and 2 the door casing.

Referring first to Fig which shows the door stop separate from a door-checking device said stop comprises two arms Illid 4. one of which is secured to the door and the other of which is secured to the dooi easing, and each of which is provided iii. its inner end with a friction face adapted to frictionnlly engage that of the other member.

In the embodiment shown in Figs. and 3, each arm is provided at its inner end w ith a head, said heads being desigrated 5 and (5, respectively. Each head formed with a flat frictional face 7, said faces being orranged to have contact with each other. ()no of the heads the head 5 in ihe cmbodn ment herein shown, carries a screwdin-ended neeted to the door casing 2 stud 5 the serew ihreaded portion 9 of said stud extending: into .2 scrmv-threaded bore in the head 6 and having hil'tfltdliltiltltti engagement therewith. The stud 8 thus forms :1 pi votnl-connection hetwei-n the arms DoorStops and Dhoit-lzlolders, of which the I 25 and 4. The arm 3 is pivotall connected to one side of the door 1 in some wllliilllli way, as by having piv tal connection with a bracket 10 which is secured to the do r. The outer end of the arm 4 is pivotnlly coin and this can he readily acc mplished by pivoiali v connecting said arm to a plate ll which is secured to the door casing. The constructi n such that when the door is eiosed the two arms 3 and 4 are folded t g ther tially into parallelism. as shown in Fig. i, while when the door is opened said arms swing into the position shown in Fig. 3. Owing to [he serewdhreaded c nnection be tween the stud 8, which nmrrotatahle in the head 5, and the head it. the turning movement of the two heads relative to each. other as the door opens and closes will move, the friction faces toward and from each other. The construction. of the screwthreads 9 is such that tltlfifig tlie opening movement of the door the reintive turning movement between the head (3 and serewthread 9 odvhnccs the screw into the head, thus bringing the friction faces 7 together. The stud is so adjusted that these friction faces will he forced into firm frictional eon-- tact when the door reaches its desired open position, and the frictional contact is sutli cient' to hold the door in this position. as shown in Fig. it is given a quick initial movement sutli oient. to overcome the friction hetween the faces 7. and when this last been EHF'IFI'IIH plished the door can be readily closed. Durmg the closing movement the faces T are separated from each other hy the action of the screw-thread 9 The an ent faces of the heads 5 and t; can he, provided with triction washers 12 of leather or other writable material if desired.

I propose to make the stni 8 adiur-itahlo in the head 5 so as to provide for holding the door in any desired open position. it. will readily be seen that if the stud t? is adjusted upwardly through the head 5 th n i "ani the door will swing farther opcn b fore the,

friction faces come into fri tional contact, wh le if the screw 9 is Wltlfifll'tHHl down- In order to close the door 5; {12K} (1001 wing mowed. tin: mi is iwlaiivo to each nfl'x 1 the opx'imi and M: ("in 121 Fig: l 1 have shown oi 1& 1 door heir-1'; of :1 fps o" vi:

my rm-ininoniy' usmi and whim 1W4) (ms 25H 511M; 1

mfuih' Pom. 4i in ihar obs-3th if and io iwv [as iiu- 11m! c ,Q, in applying nay inn-hon 11, this mi-m of doov'chmirk. n? an) :si'ius 311G H113]. :go

a floor vim ii.

umnh

in iii n my my imvmhm. 1x and .101 11% in serum hf;

1mm imam mining z:

door and the door flilflfi respectively, and

:: s rm -{hrvadmi Si Hi CHIIiid by one arm 1 'otaiahle irvhmvo ihere'Lo, said stud :1 m; aim-mihrouhrd engagement with the y as ihv door is opened and hom. the ILiltiYQ mming movement of said am} said but mcniionod arm will cause 'fl'hrt un faces to 111m? toward and from other. in a door stop, the combination with hm arms. emh provided with a head haw mg 21 friciion thou means for pivot-ally conuoi flng mid :iii'ns hi the door and the door frame, i'vspemivciy, 21 stud carried by one hm l and ilfihlwiaifl ik? rciaive (hereto, said Hind iliwinglj -(I'Y-'--lilflddfid engagement viih the ot'lhm' hixil \VhQI'Pby as -the door 090115 and rin -25; (ho frivtionai faces are nmvwi towns-d and from mh other, and

" said stud in the firstmoinis for aleij ffi filig miinmi head 4. in :1 do)? stop, tho mmhinafion with two on: 5, mch having a friction face adapted to engage ihzit of the othw arm. means mnne tizig on: m'm pivoiniiy in the door no? the othm' mm pivoizflly 'to the door fmrsm 2111 .1 mmns (onsiii'uting :1 pivotal mimwfiion lwiwreo said arms whigh permif? hr anus to s\\ing relative to each other {he door opmis and closes. said means '1 E'iilshfiz'ttPfi in mouse tho friction faces to mm inward such other during the opening HHWilE'liffii of tho doc-i.

in IPHiiH'HH'iY whereof. I have Signed my mama iiu h spm-ifivufiom in the presence of mm snh orihing' \x'itnossos.

LEWIS (1. NORTON.

\Vilm-o :5:

1 1i M. CLARK, 

